SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('cb67001c160e20f65e0b7d08eed947a8','0','18.119.104.238','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714636485','misc.php?action=imprint&sid=1b218935ad44b23bee1fe9af3014a961','0','0','')
mysql error: Duplicate entry 'cb67001c160e20f65e0b7d08eed947a8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 02.05.2024 @ 09:54
Script: /misc.php?action=imprint&sid=1b218935ad44b23bee1fe9af3014a961
Referer: http://wehrbauten.de/misc.php?action=imprint&sid=1b218935ad44b23bee1fe9af3014a961